Finding the Fourth Proportional to 74,667,969.28, 102,963,228.16 and 58,960,935.36
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Solution
The fourth proportional to 74,667,969.28, 102,963,228.16 and 58,960,935.36 is: 81,304,049.09
Step by Step Solution
- Step 1: Write the proportion equation
74,667,969.28 : 102,963,228.16 = 58,960,935.36 : x - Step 2: Convert to fraction form
74,667,969.28/102,963,228.16 = 58,960,935.36/x - Step 3: Cross multiply
74,667,969.28x = 102,963,228.16 × 58,960,935.36 - Step 4: Simplify right side
74,667,969.28x = 6,070,808,239,998,691 - Step 5: Solve for x
x = 6,070,808,239,998,691/74,667,969.28 - Step 6: Final answer
x = 81,304,049.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.